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A permanent repair, guaranteed for the lifetime of the engine. If product did not seal head gasket leak, which causes back pressure and doesn't allow the product to reach the problem area, the system might be Over-pressurized, on this page below under Technical Specification is a PDF Guide with instructions to follow to complete the repair successfully.


No additional sealing required: aluminum backing, creates a waterproof, combined with a layer of advanced MicroSealant, moisture, and air tight barrier with no additional sealing required that remains flexible to -57°C -70°F.
Durable surface: industry leading one step repair system that creates a protective coating for surfaces that require abrasion and corrosion resistance. Easy to use: simple and quick one-step repair, using sticky tape with no trays or messy solvents to clean up after the project completion, and no other adhesive needed.
1. STEEL SEAL
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6 Cylinder, Steel Seal Blown Head Gasket Fix Repair Sealer
#adSTEEL SEAL #ad - Do-it-yourself Pour in Head Gasket Fix. Backed with a 100% Money-Back Guarantee. Used for 6 Cylinder Engines. Permanently seals a crack in the head gasket. Used by thousands of repair shops nationwide.More information #ad
Brand | STEEL SEAL #ad |
Manufacturer | Steel Seal #ad |
Part Number | 6CYL001 |
More information #ad
2. STEEL SEAL
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Steel Seal Blown Head Gasket Fix Repair Sealer, 8 Cylinder
#adSTEEL SEAL #ad - Backed with a 100% Money-Back Guarantee. Do-it-yourself Pour in Head Gasket Fix. Used for 8 Cylinder Engines. Permanently seals a crack in the head gasket. Used by thousands of repair shops nationwide.More information #ad
Brand | STEEL SEAL #ad |
Manufacturer | Steel Seal #ad |
Part Number | 8CYL001 |
More information #ad
3. STEEL SEAL
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STEEL SEAL Blown Head Gasket Fix Repair Sealer for 4 Cylinder Engines
#adSTEEL SEAL #ad - Backed with a 100% money-back guarantee. Diy pour in head gasket repair. Used by thousands of repair shops nationwide. Permanently seals head gasket leaks. Use for any 4 cylinder, liquid-cooled engines.More information #ad
Brand | STEEL SEAL #ad |
Manufacturer | Steel Seal #ad |
Part Number | 4CYL002 |
More information #ad
4. Bar's Leaks
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Bar's Leak HG-1 HEAD SEAL Blown Head Gasket Repair
#adBar's Leaks #ad - Fixes leaking Freeze And Core Plugs. Repairs blown Head And Intake Gasket Leaks. Seals cracked Cylinder Heads And Blocks. Stops heater Core And Radiator Leaks.More information #ad
Brand | Bar's Leaks #ad |
Manufacturer | Bar's Leaks #ad |
Height | 3.22 Inches |
Length | 9.78 Inches |
Weight | 2.65 Pounds |
Width | 3.22 Inches |
Part Number | HG-1 |
Model | HG-1 |
Warranty | Manufacturer Warranty |
More information #ad
5. Bar's Leaks
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Bar's Leaks 1100 Head Gasket Repair, 20 oz.
#adBar's Leaks #ad - Dual action 2 part formula — liquid ceramic: liquid penetrates large and small leaks to form a seal actually harder than the original head gasket — REINFORCED FIBERS: Fiber additives lock together with liquid to increase strength and promote a permanent seal.More information #ad
Head gasket sealant is not compatible with antifreeze and must only be added to the cooling system after ALL ANTIFREEZE has been flushed and removed. Repairs blown head gaskets. Stops block leaks. Included components: Unit, Instruction Guide. Seals cracked cylinder heads and blocks.Brand | Bar's Leaks #ad |
Manufacturer | Bar's Leaks #ad |
Height | 8.3 Inches |
Length | 1.8 Inches |
Weight | 1.41 Pounds |
Width | 3.4 Inches |
Part Number | 1100 |
Model | 1100 |
Warranty | 1 year manufacturer |
More information #ad
6. Bar's Leaks
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Bar's Leaks 1111 Block Seal Permanent Head Gasket Fix 24 oz. , Brown
#adBar's Leaks #ad - Repairs blown head gaskets. Contains a combination of antifreeze compatible sodium silicate sealing liquid and various size gasket sealing particles which penetrate gaps & cracks and harden to permanently stop leaks. Seals cracked cylinder heads and blocks. Stops block leaks.More information #ad
Brand | Bar's Leaks #ad |
Manufacturer | Bar's Leaks #ad |
Height | 2.5 Inches |
Length | 9.5 Inches |
Weight | 1.5 Pounds |
Width | 2.6 Inches |
Part Number | 1111 |
Model | 1111 |
Warranty | 1 year manufacturer |
More information #ad
7. K-Seal
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K-Seal ST5516 HD Multi Purpose One Step Permanent Coolant Leak Repair
#adK-Seal #ad - If product did not seal head gasket leak, the system might be Over-pressurized, which causes back pressure and doesn't allow the product to reach the problem area, on this page below under Technical Specification is a PDF Guide with instructions to follow to complete the repair successfully.More information #ad
Fixes cracks and leaks in radiator, heater core, freeze plugs, head gasket, cylinder heads, water pump casing and engine blocks. Permanent coolant leak repair - Just shake, pour and go. No draining or flushing. Mixes with all antifreeze.Brand | K-Seal #ad |
Manufacturer | K-Seal #ad |
Height | 1.9 Inches |
Length | 5.9 Inches |
Weight | 1 Pounds |
Width | 4.1 Inches |
Part Number | ST5516 |
Model | ST5516 |
Warranty | When K-Seal makes a repair we guarantee it will be permanent |
More information #ad
8. KALIMEX LTD
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K-Seal ST3501 Pour and Go Permanent Head Gasket and Block Repair
#adKALIMEX LTD #ad - Scientifically tested - k-seal is the only product to have been successfully tested by the equipment at Brighton University and classes as meeting the demands of ASTM D3147.A permanent repair, guaranteed for the lifetime of the engine. If product did not seal head gasket leak, which causes back pressure and doesn't allow the product to reach the problem area, the system might be Over-pressurized, on this page below under Technical Specification is a PDF Guide with instructions to follow to complete the repair successfully.
More information #ad
Just pour & go – no need for expensive head Gasket Repairs - The Safe and Easy Way to Fix a Coolant Leak. Fixes blown head gaskets, cracked heads and blocks.Brand | KALIMEX LTD #ad |
Manufacturer | Solv-TecA #ad |
Height | 8 Inches |
Length | 2.5 Inches |
Weight | 1 Pounds |
Width | 2.5 Inches |
Part Number | KSLST3501 |
Model | KSLST3501 |
Warranty | Lifetime warranty does not cover abuse |
More information #ad
9. ATP Automotive
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ATP AT-205 Re-Seal Stops Leaks, 8 Ounce Bottle
#adATP Automotive #ad - Professional strength fast acting resealer, stops leaks fast. 8oz bottle will treat a 6 quart capacity, adjust accordingly. Compatible with conventional and synthetic oils, ATF, gear oil, power steering fluids and hydraulic oil.More information #ad
Does not contain petroleum distillates, will not over-swell or breakdown seals. Rejuivinates all rubber seals & gaskets in engines, power steering, transmissions, differentials and hydraulic systems.Brand | ATP Automotive #ad |
Manufacturer | ATP #ad |
Height | 4 Inches |
Length | 7 Inches |
Weight | 0.11 Pounds |
Width | 4.5 Inches |
Part Number | AT-205 |
Model | AT-205 |
Warranty | Money Back Guarantee |
More information #ad
10. EternaBond
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One-Step Durable, Waterproof and Airtight Repair, EternaBond RoofSeal White 4" x50' MicroSealant UV Stable Seam Repair Tape | 35 mil Total Thickness | EB-RW040-50R
#adEternaBond #ad - Multi-use: perferct for use on metal buildings, wood, boats, drain pans, trailer/RV roofs and sides, aluminum, drain pipes, hypalon, tpO, galvanized steel, canoes. Excellent uv resistance: tape features a durable and UV-stable backing that withstands deterioration in fluctuating temperatures and direct sun exposure.No additional sealing required: aluminum backing, creates a waterproof, combined with a layer of advanced MicroSealant, moisture, and air tight barrier with no additional sealing required that remains flexible to -57°C -70°F.
More information #ad
Bonds to a wide range of surfaces including roof materials such as EPDM, and fiberglass. Durable surface: industry leading one step repair system that creates a protective coating for surfaces that require abrasion and corrosion resistance. Easy to use: simple and quick one-step repair, using sticky tape with no trays or messy solvents to clean up after the project completion, and no other adhesive needed.
Brand | EternaBond #ad |
Manufacturer | Eternabond #ad |
Height | 6.4 Inches |
Length | 6.4 Inches |
Weight | 3.5 Pounds |
Width | 4.1 Inches |
Part Number | RSW-4-50R |
Model | RSW-4-50 |
More information #ad